Integration of QuantumX in Zwick Testing Machines

To get even more informative data out of material properties testing, Zwick Roell allows additional integration of the HBK measurement chain. See the advantages of additional measurement technology.

System Topology of a Compression Testing Machine With Integrated QuantumX Module

Any QuantumX module can be integrated in a Zwick tensile/compression testing machine, depending on the application. In this example, the QuantumX MX1615B strain gauge amplifier is used to determine the strains of a material or coupon.

HBM strain gauges are attached on the sample and connected to the QuantumX MX1615B. In addition, other sensors, such as a Pt100 sensor for temperature measurement, can be connected and used without much additional effort. To enable access from a PC, the QuantumX MX1615B module is connected to the Ethernet switch. This is also used to establish a connection to the testing machine in order to synchronize the measurement results.

Main Advantages of Integrating QuantumX in Zwick Testing Machines

  • The use of strain gauges is possible

  • Versatile application even in places that are difficult to access

  • High flexibility, by simply adding different sensors (for example, Pt100) to the test setup

  • High precision, through bridge circuit

The enabled use of strain gauges in this application example allows for a more precise and simplified measurement. The extensometers installed in the testing machine for measuring length changes and strain can mainly only measure standardized samples. However, by integrating the QuantumX MX1615B module, compact strain gauges can be applied to almost any surface of the sample and are protected against a large number of external influences by means of appropriate accessories. In addition, strain gauges have the least influence on a sample and there is no need for calibration.

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Integration Workflow in catman and testXpert III

To configure a channel, a template from the sensor database is selected. Here, there are templates for all common strain gauge circuits.

After the new strain gauge sensor has been created, the k-factor, the type of excitation and the excitation voltage must be adjusted.

The strain gauge sensor can then be dragged and dropped onto the desired channel to parameterize it.

In testXpert, all channels that are set to the default sample rate will later be visible. The maximum sample rate in conjunction with testXpert is 1200 Hz.

To test the configuration, we suggest a test measurement and visualization.

To use the created measurement configuration of the QuantumX module in testXpert III, it must be saved as a .mep file.

If the QuantumX module is connected to the PC via Ethernet, it can be added from the peripheral device menu.

Next, the catman Easy project is loaded as a configuration file. 

The sensors of the QuantumX module are now listed under 'Machine'. If the channels were also created under 'Test specification', they are linked to the corresponding sensor and are ready for use.

To ensure that the strain gauge measures synchronously with the other sensors, a 5V signal is sent to an input channel of the QuantumX module and the returning signal is read in.

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